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BriefSmith

briefsmith.io

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Spec score 8.3 #8 of 26 in AI Proposal Generators

What it is

BriefSmith is web-based proposal software for agencies that drafts proposals and checks their scope before they reach clients. It creates structured documents with an executive summary, approach, deliverables, timeline, investment, payment terms, and scope limits. Its checks flag vague deliverables, missing limits, scope gaps, and over-promises. Teams can set shared proposal structure, tone, and scope limits, then export proposals as branded PDFs or individual proposals as Word documents. BriefSmith tracks proposal status, client opens, and win-rate trends. Its free Scope Check requires no signup and flags scope risks; BriefSmith says submitted text is read once and discarded. The 14-day trial with a card includes the full product without a proposal limit; the no-card option includes three generated proposals. The Founding Member plan is $29 a month, billed at $29/month, with a founding rate locked while subscribed for the first 50 agencies. Briefs are processed by Anthropic, and BriefSmith says content is not used to train AI models.

Spec sheet

Purpose
BriefSmith generates agency proposals and checks them for vague deliverables, missing limits, scope gaps, and over-promises before they reach clients.Read 7 Oct 2026 · briefsmith.io
Audience
BriefSmith presents itself as proposal quality-control software for agencies and their teams.Read 7 Oct 2026 · briefsmith.io
Support
The site offers direct contact with the founder and lists [email protected] for questions and support.Read 7 Oct 2026 · briefsmith.io
Headquarters
London, United KingdomRead 28 Sep 2026 · briefsmith.io
Company
The site identifies Smith Suite Ltd as registered in England and Wales and gives its address as 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ.Read 7 Oct 2026 · briefsmith.io
Agency standards
Teams can set a shared proposal structure, tone, and scope limits for their agency.Read 7 Oct 2026 · briefsmith.io
Branding and export
Proposals can be exported as branded PDFs, and individual proposals can also be exported as Word documents.Read 7 Oct 2026 · briefsmith.io
Cancellation and refunds
The site says subscriptions can be cancelled through the Billing page and offers a 14-day money-back guarantee; it also says annual plans receive pro-rata refunds on cancellation.Read 7 Oct 2026 · briefsmith.io
Encryption and storage
BriefSmith says data is encrypted in transit using TLS and at rest, and stored on Supabase infrastructure in the EU and US.Read 7 Oct 2026 · briefsmith.io
Free Scope Check
The free Scope Check requires no signup, flags proposal scope risks, and says submitted text is read once and discarded.Read 7 Oct 2026 · briefsmith.io
Integrations and processors
The privacy policy names Supabase for database and authentication, Stripe for payments, Resend for transactional email, and Anthropic API for proposal generation.Read 7 Oct 2026 · briefsmith.io
Privacy compliance
The privacy policy says BriefSmith complies with GDPR, UK GDPR, CCPA, and equivalent data-protection laws.Read 7 Oct 2026 · briefsmith.io
Proposal generation
It creates structured proposals with an executive summary, approach, deliverables, timeline, investment, payment terms, and scope limits.Read 7 Oct 2026 · briefsmith.io
Security and AI
Briefs are processed by Anthropic to generate proposals, and BriefSmith says it does not use brief or proposal content to train AI models.Read 7 Oct 2026 · briefsmith.io
Tracking
The product shows proposal status, whether clients have opened proposals, and proposal win-rate trends.Read 7 Oct 2026 · briefsmith.io
Trial limits
The 14-day trial with a card includes the full product with no proposal limit; the no-card trial includes three generated proposals.Read 7 Oct 2026 · briefsmith.io

Plans and prices

Founding Member $29 a month $29/month; founding rate locked while subscribed, for the first 50 agencies Unlimited proposals and Scope Checks · Whole team included Read 7 Oct 2026 · briefsmith.io
Standard rate $79 a month Standard rate later; the page does not state when it takes effect Everything included · Unlimited proposals and Scope Checks · Whole team included Read 7 Oct 2026 · briefsmith.io
Scope Audit $1,500, paid once First five at $990 Last ten proposals audited · Template rebuilt · Next three proposals built with you · Three months of BriefSmith included Read 7 Oct 2026 · briefsmith.io

Every BriefSmith plan and price →

Strong points and limits

Strong points

  • Checks for gaps, vague deliverables, and over-promises
  • Shared proposal structure, tone, and scope limits
  • Branded PDF and Word exports
  • No-signup Scope Check
  • 14-day trial option with no proposal limit

Limits

  • No electronic signatures
  • No-card trial is limited to three proposals
  • Standard rate is $79 a month

Who it suits

It suits agencies and agency teams that want shared proposal standards and checks for scope risks. Teams can use its proposal tracking and exports alongside drafting.

Verdict

BriefSmith combines proposal drafting with scope-focused quality checks and agency-wide standards. Its no-card trial is limited to three proposals, while the card trial includes the full product for 14 days.

Where Specifiction places it

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